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Closed Access item Structural proteins of bacteriophage ø29

Authors:Méndez, E.
Ramírez, G.
Salas, Margarita
Viñuela, Eladio
Issue Date:1971
Publisher:Elsevier
Citation:Virology 45(3): 567-576 (1971)
Abstract:Bacteriophage 29, specific for some species of Bacillus, is formed of a head with fibers, a neck, and a short tail. Complete particles were dissociated by treatment with dimethyl sulfoxide or EDTA into heads, heads with neck, and necks with tail. The head contains at least three polypeptides (molecular weights 54,000, 48,000, and 28,000). The neck consists of two collars and twelve appendages, and it is formed by three polypeptides (molecular weights, 80,000, 40,000, and 36,000). The tail contains one polypeptide (molecular weight, 71,000). Heads isolated from lysates contain, besides the two major polypeptides present in the head of normal particles, two additional polypeptide chains. The seven structural polypeptides of 29 account for about 60% of the genetic information of phage DNA (molecular weight, 11 × 106 daltons).
Publisher version (URL):http://dx.doi.org/10.1016/0042-6822(71)90172-3
URI:http://hdl.handle.net/10261/38013
ISSN:0042-6822
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